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activate

1 ENTRIES FOUND:
activate /ˈæktəˌveɪt/ verb
activates; activated; activating
activate
/ˈæktəˌveɪt/
verb
activates; activated; activating
Britannica Dictionary definition of ACTIVATE
[+ object]
: to make (something) active or more active: such as
: to cause (a device) to start working
chemistry : to cause (a chemical reaction or natural process) to begin
chiefly US : to order (soldiers) to serve in a war

— activation

/ˌæktəˈveɪʃən/ noun [noncount]